Red like fans?

Discussion in 'ID This!' started by Heather Carver, Sep 7, 2015.

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  1. Heather Carver

    Heather Carver Astrea Snail

    Joined:
    Mar 17, 2015
    Messages:
    40
    hi everyone!
    I noticed these growing on my life rock today (see pic). What are they? Are they good or bad?
     

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  3. Corailline

    Corailline Super Moderator Staff Member

    Joined:
    Sep 8, 2010
    Messages:
    19,652
    Location:
    It is a dry heat, yeah right !
  4. REEFerMADNESS88

    REEFerMADNESS88 Spanish Shawl Nudibranch

    Joined:
    Sep 8, 2015
    Messages:
    82
    Location:
    Tidewater VA
    i second just bought a duster